US11772232B2 - Grinding equipment - Google Patents
Grinding equipment Download PDFInfo
- Publication number
- US11772232B2 US11772232B2 US16/761,266 US201816761266A US11772232B2 US 11772232 B2 US11772232 B2 US 11772232B2 US 201816761266 A US201816761266 A US 201816761266A US 11772232 B2 US11772232 B2 US 11772232B2
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- US
- United States
- Prior art keywords
- vacuum
- frame
- workpiece
- portions
- grinding equipment
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/27—Work carriers
- B24B37/30—Work carriers for single side lapping of plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/068—Table-like supports for panels, sheets or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6838—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping with gripping and holding devices using a vacuum; Bernoulli devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68778—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by supporting substrates others than wafers, e.g. chips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68785—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by the mechanical construction of the susceptor, stage or support
Definitions
- the present invention relates to a grinding equipment, and particularly, to a grinding equipment that improves polishing efficiency by stably fixing a workpiece.
- a semiconductor package is manufactured by manufacturing a semiconductor chip on which a circuit is formed such as a transistor and a capacitor on a semiconductor substrate made of silicon, and then attaching it to a strip material such as a lead frame or a printed circuit board.
- the semiconductor package is electrically connected with a wire or the like so that the semiconductor chip and the strip material pass through each other, and can be manufactured through a process of molding the semiconductor chip with an epoxy resin to protect it from the external environment.
- the strip material as described above is subjected to a polishing process, which is a mechanical and chemical polishing process for reducing the thickness.
- the strip material can be grinded to a desired thickness so as to be a strap in contact with the strip member by rotating a grinding wheel disposed on the upper portion of the strip.
- Korean Patent Registration No. 10-1675271 is disclosed.
- the above-described conventional grinding equipment is configured to polish one strip material in one process, and thus has a disadvantage in that manufacturing efficiency is deteriorated by performing repeated polishing processes to polish a plurality of strips.
- the conventional grinding equipment performs a polishing process by rotating only a polishing wheel in a state where the strip is fixed, it is difficult to apply the grinding equipment due to a limit to the fixing force to fix the strip provided in a rotating frame. Therefore, there is a problem that when the conventional strip grinding equipment is applied to the rotating frame, the strip is not stably fixed, so that the strip may be detached or moved during the polishing process, thereby deteriorating the polishing efficiency.
- the conventional grinding equipment is configured to polish a plurality of strips, since the strips disposed at the center of the frame are polished through the edges of the polishing wheel, so that the surface is not uniformly polished due to the difference in speed of polishing, which may cause the production of defective products.
- An object of an embodiment of the present invention is to provide a grinding equipment which stably fixes a plurality of rotating workpieces and improves polishing efficiency by providing a uniform polishing speed to the workpieces.
- a grinding equipment for achieving the above object which is disposed below a polishing wheel so as to polish the surface of a workpiece
- the grinding equipment includes a frame which has a central shaft disposed collinearly to one side of the polishing wheel and rotates about the central shaft; a plurality of seating portions which are disposed on the upper side of the frame, each have a space formed in the central portion thereof, seat a workpiece on the upper surfaces thereof, and are arranged radially from the central shaft of the frame; a plurality of vacuum portions which are disposed in the central portions of the plurality of seating portions respectively, seat the workpiece on the upper surfaces thereof, and each have a plurality of flow channels so as to secure the workpiece by suctioning air through the flow channels; and a control unit for controlling the rotation of the frame.
- the plurality of seating portions may be spaced apart from each other at the same distance along the outer circumference of the frame on the upper side of the frame.
- the vacuum portion may include a vacuum frame which is disposed on the central portion of the seating portion, the workpiece is seated on the upper surface, and includes a plurality of flow channels, a vacuum pump which is connected to the flow channel and enables the flow channel in a vacuum state, and a vacuum control unit which controls the vacuum pump.
- the grinding equipment of the present invention may further include a lip seal part which is interposed between the seating portion and the vacuum portion, in which an upper end protrudes to one side and the workpiece is seated on the upper surface.
- the lip seal part may be provided along the outer circumference of the vacuum frame and formed roundly to protrude from the upper end to one side.
- a plurality of vacuum portions can fix a plurality of workpieces respectively, it is possible to fix and remove the plurality of workpieces without a separate bonding process, and since each of the plurality of workpieces can be fixed and removed individually from the frame, manufacturing efficiency is high.
- FIG. 1 is a perspective view showing a grinding equipment according to an embodiment of the present invention
- FIG. 2 is a perspective view showing a seating portion, a vacuum portion, and a lip seal part of the grinding equipment shown in FIG. 1 ,
- FIG. 3 is a sectional view of the seating portion, the vacuum portion, and the lip seal part shown in FIG. 2 ,
- FIG. 4 is a perspective view showing the lip seal part of the grinding equipment shown in FIG. 1 ,
- FIG. 5 is a perspective view showing another embodiment of an arrangement of a plurality of seating portions of the grinding equipment shown in FIG. 1 .
- a grinding equipment ( 10 ) is for polishing the surface of a workpiece (S) and polishes the surface of the workpiece (S) by a polishing wheel (G) by being disposed on the lower side of the polishing wheel (G). That is, the polishing wheel (G) is provided to rotate, and the polishing wheel (G) is rotated to be in contact with one side of the workpiece (S) to polish the surface of the workpiece (S).
- the workpiece (S) is preferably a strip, but is not limited thereto, and other objects requiring surface polishing may be applied.
- the grinding equipment ( 10 ) includes a frame ( 100 ), a plurality of seating portions ( 200 ), a plurality of vacuum portions ( 300 ), a control unit ( 400 ) and a lip seal part ( 500 ).
- the frame ( 100 ) is for rotating the workpiece (S) to be polished and provided to be rotated in connection with a driving motor. Therefore, the frame ( 100 ) is preferably disposed on the lower side of the polishing wheel (G), and the workpiece (S) may be disposed on the upper side of the frame ( 100 ). In other words, the frame ( 100 ) is preferably provided so that one side of the central shaft of the frame ( 100 ) and the outer circumferential surface of the polishing wheel (G) are disposed on the same line.
- the plurality of seating portions ( 200 ) are to be seated on the workpiece (S), disposed on the upper side of the frame ( 100 ), and a space is formed in the central portion. That is, each of the plurality of seating portions ( 200 ) is formed to correspond to the shape of the workpiece (S) so that the workpiece (S) may be seated on the upper surface. As the plurality of seating portions ( 200 ) are provided, it is possible to simultaneously polish a plurality of workpieces (S), thereby improving manufacturing efficiency.
- the plurality of seating portions ( 200 ) is preferably disposed radially with respect to the central shaft of the frame ( 100 ). That is, the plurality of seating portions ( 200 ) are preferably not disposed at the central portion of the frame ( 100 ) and are preferably spaced apart from each other at the same distance along the outer circumference of the frame ( 100 ).
- the plurality of seating portions ( 200 ) are shown so as to be provided radially three based on the center of the frame ( 100 ), but are not limited thereto, and as shown in FIG. 5 , four seating portions may be arranged except the central portion of the frame ( 100 ), and the number of the plurality of seating portions ( 200 ) may be appropriately changed and applied according to the size and shape of the workpiece (S).
- the plurality of vacuum portions ( 300 ) are for fixing the workpiece (S) on the upper surface of the seating portion ( 200 ) by adsorbing the workpiece (S), are provided with a number corresponding to the number of the plurality of seating portions ( 200 ), and respectively disposed at the central portion of the plurality of seating portions ( 200 ).
- Each of the plurality of vacuum portions ( 300 ) may include a vacuum frame ( 310 ), a vacuum pump ( 320 ), and a vacuum control unit ( 330 ).
- the vacuum frame ( 310 ) is disposed on the central portion of the seating portion ( 200 ) such that the workpiece (S) may be seated on the upper surface of the vacuum frame ( 310 ). That is, the vacuum frame ( 310 ) is formed with a shape corresponding to the central portion of the seating portion ( 200 ). In other words, the vacuum frame ( 310 ) is preferably provided to be disposed on each of the plurality of seating portions ( 200 ), and each of the plurality of workpieces (S) may be seated on the upper surface of a plurality of vacuum frames ( 310 ).
- the vacuum frame ( 310 ) includes a plurality of flow channels ( 301 ), air is sucked through the plurality of flow channels ( 301 ). Therefore, the workpiece (S) may be stably fixed to the upper surface of the vacuum frame ( 310 ) by a suction force sucked through the plurality of flow channels ( 301 ).
- the vacuum pump ( 320 ) enables the flow channel ( 301 ) to a vacuum state by using a pump. That is, the vacuum pump ( 320 ) is connected to the flow channel ( 301 ) to suck and compress gas in the flow channel ( 301 ) to maintain the flow channel ( 301 ) at a predetermined appropriate press, and the workpiece (S) may be fixed on the upper surface of the seating portion ( 200 ) by forming the flow channel ( 301 ) in the vacuum state.
- a plurality of the vacuum pumps ( 320 ) may be provided corresponding to the number of the vacuum frames ( 310 ), and the vacuum pump ( 320 ) is connected to each of the plurality of vacuum frames ( 310 ) such that the flow channel ( 301 ) of each vacuum frame ( 310 ) is preferably formed in the vacuum state.
- the vacuum control unit ( 330 ) is for controlling the vacuum pump ( 320 ) and controls the operation of the vacuum pump ( 320 ) by being connected to the vacuum pump ( 320 ). That is, the vacuum control unit ( 330 ) may adjust the flow channel ( 301 ) to maintain an appropriate pressure value at which the workpiece (S) can be fixed, by controlling the operation of the vacuum pump ( 320 ) corresponding to the pressure in the flow channel ( 301 ).
- a plurality of the vacuum control units ( 330 ) may be provided corresponding to the number of the plurality of vacuum frames ( 310 ), and the workpiece (S) fixed to the plurality of seating portions ( 200 ) may be individually fixed and removed by controlling each of the vacuum pumps ( 320 ) connected to the plurality of vacuum frames ( 310 ). That is, the vacuum control unit ( 330 ) adjusts the fixing force of each workpiece (S) fixed to the plurality of seating portions ( 200 ) such that individual removal of the plurality of workpieces (S) is easy and the plurality of workpieces (S) may be easily fixed to and removed from the seating portion ( 200 ) without a separate bonding process such that it is possible to improve manufacturing efficiency.
- the control unit ( 400 ) controls the rotational drive of the frame ( 100 ). That is, it is possible to rotate the plurality of workpieces (S) at the same time by rotating the frame ( 100 ) by the control unit ( 400 ).
- the control unit ( 400 ) may control the rotation speed, time, and the like according to the size and shape of the workpiece (S), and the control unit ( 400 ) may be configured to control the rotational drive of the frame ( 100 ) by including a driving motor and a reducer.
- the components of the control unit ( 400 ) for rotating the frame ( 100 ) are conventional technologies, and a detailed description thereof will be omitted here.
- the lip seal part ( 500 ) is interposed between the seating portion ( 200 ) and the vacuum portion ( 300 ) to improve the fixing force of the workpiece (S).
- the lip seal part ( 500 ) is disposed so that one side is in contact with the inner circumferential surface of the seating portion ( 200 ) and the other side is in contact with the outer surface of the vacuum frame ( 310 ).
- the workpiece (S) may be seated on the upper surface of the lip seal part ( 500 ) in which the upper end protrudes to one side.
- the lip seal part ( 500 ) may be formed roundly (R) from the side so that the upper end protrudes to one side.
- the lip seal part ( 500 ) is formed roundly (R) so that the upper end protrudes, by expanding a contact area between the upper surface of the lip seal part ( 500 ) and being in close contact with the workpiece (S), the fixing force of the workpiece (S) may be improved.
- the lip seal part ( 500 ) is disposed to be in contact with the outer surface of the vacuum frame ( 310 ) such that air may be prevented from leaking to the outside when the flow channel ( 301 ) is formed in the vacuum state through the vacuum portion ( 300 ).
- the lip seal part ( 500 ) seals the vacuum frame ( 310 ) to increase the vacuum force, and the workpiece (S) is in close contact with the seating portion ( 200 ), a precise polishing work is easy and it is possible to improve polishing efficiency.
- a plurality of vacuum portions ( 300 ) can fix a plurality of workpieces (S) respectively, it is possible to fix and remove the plurality of workpieces (S) without a separate bonding process, and since each of the plurality of workpieces (S) can be fixed and removed individually from the frame ( 100 ), manufacturing efficiency is high.
- the lip seal part ( 500 ) is interposed between the seating portion ( 200 ) and the vacuum portion ( 300 ), the vacuum force of the vacuum frame ( 310 ) is increased, and since fixing force by which the workpiece (S) is fixed to the seating portion ( 200 ) is improved by being the workpiece (S) in close contact with the seating portion ( 200 ) by increasing the contact area between the upper surface of the lip seal part ( 500 ) and the workpiece (S), it is possible to improve the polishing efficiency.
- grinding equipment 100 frame 200: seating portion 300: vacuum portion 301: flow channel 310: vacuum frame 320: vacuum pump 330: vacuum control unit 400: control unit 500: lip seal part G: polishing wheel S: workpiece R: roundly
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0145967 | 2017-11-03 | ||
KR1020170145967A KR102010271B1 (ko) | 2017-11-03 | 2017-11-03 | 연마장치 |
PCT/KR2018/012857 WO2019088600A1 (ko) | 2017-11-03 | 2018-10-26 | 연마장치 |
Publications (2)
Publication Number | Publication Date |
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US20200282510A1 US20200282510A1 (en) | 2020-09-10 |
US11772232B2 true US11772232B2 (en) | 2023-10-03 |
Family
ID=66333248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/761,266 Active 2040-06-29 US11772232B2 (en) | 2017-11-03 | 2018-10-26 | Grinding equipment |
Country Status (4)
Country | Link |
---|---|
US (1) | US11772232B2 (ko) |
JP (1) | JP7053865B2 (ko) |
KR (1) | KR102010271B1 (ko) |
WO (1) | WO2019088600A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112689393B (zh) * | 2020-12-18 | 2021-09-03 | 鹤山市润昌电子电器有限公司 | 一种高密度印制电路板生产工艺 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3740900A (en) * | 1970-07-01 | 1973-06-26 | Signetics Corp | Vacuum chuck assembly for semiconductor manufacture |
JPS6176270A (ja) | 1984-09-25 | 1986-04-18 | Disco Abrasive Sys Ltd | 研磨装置 |
JPH0740240A (ja) | 1993-07-29 | 1995-02-10 | Tdk Corp | セラミック板研削方法及び装置 |
JPH0788760A (ja) | 1993-09-21 | 1995-04-04 | Sumitomo Sitix Corp | 半導体基板の鏡面研磨装置 |
JPH10138071A (ja) | 1996-11-05 | 1998-05-26 | Toshiba Mach Co Ltd | 超精密真空チャック装置 |
JP2002210624A (ja) | 2001-01-19 | 2002-07-30 | Matsushita Electric Ind Co Ltd | エアー式クランプ装置 |
JP2012101293A (ja) | 2010-11-08 | 2012-05-31 | Disco Corp | 加工方法 |
KR101675271B1 (ko) | 2015-10-30 | 2016-11-14 | 서우테크놀로지 주식회사 | 연삭장치 및 그가 적용된 반도체 스트립 그라인더 |
US20180254196A1 (en) * | 2017-03-06 | 2018-09-06 | Ebara Corporation | Polishing method, polishing apparatus, and substrate processing system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101855367B1 (ko) * | 2016-05-31 | 2018-05-09 | 주식회사 윌템스 | 렌즈 가공용 지그 |
-
2017
- 2017-11-03 KR KR1020170145967A patent/KR102010271B1/ko active IP Right Grant
-
2018
- 2018-10-26 WO PCT/KR2018/012857 patent/WO2019088600A1/ko active Application Filing
- 2018-10-26 US US16/761,266 patent/US11772232B2/en active Active
- 2018-10-26 JP JP2020544721A patent/JP7053865B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3740900A (en) * | 1970-07-01 | 1973-06-26 | Signetics Corp | Vacuum chuck assembly for semiconductor manufacture |
JPS6176270A (ja) | 1984-09-25 | 1986-04-18 | Disco Abrasive Sys Ltd | 研磨装置 |
JPH0740240A (ja) | 1993-07-29 | 1995-02-10 | Tdk Corp | セラミック板研削方法及び装置 |
JPH0788760A (ja) | 1993-09-21 | 1995-04-04 | Sumitomo Sitix Corp | 半導体基板の鏡面研磨装置 |
JPH10138071A (ja) | 1996-11-05 | 1998-05-26 | Toshiba Mach Co Ltd | 超精密真空チャック装置 |
JP2002210624A (ja) | 2001-01-19 | 2002-07-30 | Matsushita Electric Ind Co Ltd | エアー式クランプ装置 |
JP2012101293A (ja) | 2010-11-08 | 2012-05-31 | Disco Corp | 加工方法 |
KR101675271B1 (ko) | 2015-10-30 | 2016-11-14 | 서우테크놀로지 주식회사 | 연삭장치 및 그가 적용된 반도체 스트립 그라인더 |
US20180254196A1 (en) * | 2017-03-06 | 2018-09-06 | Ebara Corporation | Polishing method, polishing apparatus, and substrate processing system |
Non-Patent Citations (1)
Title |
---|
International Search Report for PCT/KR2018/012857 dated Feb. 11, 2019 from Korean Intellectual Property Office. |
Also Published As
Publication number | Publication date |
---|---|
JP2021501063A (ja) | 2021-01-14 |
WO2019088600A1 (ko) | 2019-05-09 |
KR20190050502A (ko) | 2019-05-13 |
US20200282510A1 (en) | 2020-09-10 |
JP7053865B2 (ja) | 2022-04-12 |
KR102010271B1 (ko) | 2019-10-21 |
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